150121878 has 16 divisors (see below), whose sum is σ = 301308096. Its totient is φ = 49863240.

The previous prime is 150121847. The next prime is 150121879. The reversal of 150121878 is 878121051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150121879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42508 + ... + 45903.

It is an arithmetic number, because the mean of its divisors is an integer number (18831756).

Almost surely, 2^150121878 is an apocalyptic number.

150121878 is an abundant number, since it is smaller than the sum of its proper divisors (151186218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150121878 is a wasteful number, since it uses less digits than its factorization.

150121878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88699.

The product of its (nonzero) digits is 4480, while the sum is 33.

The square root of 150121878 is about 12252.4233521373. The cubic root of 150121878 is about 531.4731508570.

The spelling of 150121878 in words is "one hundred fifty million, one hundred twenty-one thousand, eight hundred seventy-eight".